[1, nil, "xyz", 3, nil, "hoge"].compact # => [1, "xyz", 3, "hoge"] name = %w(naohiko mori) name.each(&method(:puts)) # => "naohiko" "mori" name.reverse_each(&method(:puts)) # => "mori" "naohiko"
![[Ruby]あまり見ないけどたまに便利なメソッド[Array編] - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/25e6ff16495725edd1f12697b2c6bcc9c7790cae/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9JTVCUnVieSU1RCVFMyU4MSU4MiVFMyU4MSVCRSVFMyU4MiU4QSVFOCVBNiU4QiVFMyU4MSVBQSVFMyU4MSU4NCVFMyU4MSU5MSVFMyU4MSVBOSVFMyU4MSU5RiVFMyU4MSVCRSVFMyU4MSVBQiVFNCVCRSVCRiVFNSU4OCVBOSVFMyU4MSVBQSVFMyU4MyVBMSVFMyU4MiVCRCVFMyU4MyU4MyVFMyU4MyU4OSU1QkFycmF5JUU3JUI3JUE4JTVEJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9NTYmdHh0LWNsaXA9ZWxsaXBzaXMmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz1iY2E2ZjQxNDdjYTNkMDFjZjFiNjBkOWFjYmRiM2FlNA%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwbmFvNTgmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPWE2MGNlMzhjZTdlZTk5N2FkMmE1Yjk5MjkxYTVjYmNm%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3D444a0565e0bb8b73002e8fbb803b088f)
[Ruby]あまり見ないけどたまに便利なメソッド[Array編] - Qiita
[1, nil, "xyz", 3, nil, "hoge"].compact # => [1, "xyz", 3, "hoge"] name = %w(naohiko mori) name.each(&method(:puts)) # => "naohiko" "mori" name.reverse_each(&method(:puts)) # => "mori" "naohiko"
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